Home / 556,979.76-835,485.84-136,255.50

Finding the Fourth Proportional to 556,979.76, 835,485.84 and 136,255.50

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Solution

The fourth proportional to 556,979.76, 835,485.84 and 136,255.50 is: 204,387.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,979.76 : 835,485.84 = 136,255.50 : x
  2. Step 2: Convert to fraction form
    556,979.76/835,485.84 = 136,255.50/x
  3. Step 3: Cross multiply
    556,979.76x = 835,485.84 × 136,255.50
  4. Step 4: Simplify right side
    556,979.76x = 113,839,540,872.12
  5. Step 5: Solve for x
    x = 113,839,540,872.12/556,979.76
  6. Step 6: Final answer
    x = 204,387.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.